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Finding the Fourth Proportional to 48,659.31, 67,149.95 and 26,303.31

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Solution

The fourth proportional to 48,659.31, 67,149.95 and 26,303.31 is: 36,298.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,659.31 : 67,149.95 = 26,303.31 : x
  2. Step 2: Convert to fraction form
    48,659.31/67,149.95 = 26,303.31/x
  3. Step 3: Cross multiply
    48,659.31x = 67,149.95 × 26,303.31
  4. Step 4: Simplify right side
    48,659.31x = 1,766,265,819.82
  5. Step 5: Solve for x
    x = 1,766,265,819.82/48,659.31
  6. Step 6: Final answer
    x = 36,298.62

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.